231376 has 10 divisors (see below), whose sum is σ = 448322. Its totient is φ = 115680.

The previous prime is 231367. The next prime is 231379. The reversal of 231376 is 673132.

231376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 141376 + 90000 = 376^2 + 300^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231379) by changing a digit.

231376 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7215 + ... + 7246.

2²³¹³⁷⁶ is an apocalyptic number.

It is an amenable number.

231376 is a deficient number, since it is larger than the sum of its proper divisors (216946).

231376 is a wasteful number, since it uses less digits than its factorization.

231376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14469 (or 14463 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 231376 is about 481.0155922629. The cubic root of 231376 is about 61.3911972300.

The spelling of 231376 in words is "two hundred thirty-one thousand, three hundred seventy-six".